Home / 9,101,104.80-13,651,657.20-8,187,813.60

Finding the Fourth Proportional to 9,101,104.80, 13,651,657.20 and 8,187,813.60

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Solution

The fourth proportional to 9,101,104.80, 13,651,657.20 and 8,187,813.60 is: 12,281,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101,104.80 : 13,651,657.20 = 8,187,813.60 : x
  2. Step 2: Convert to fraction form
    9,101,104.80/13,651,657.20 = 8,187,813.60/x
  3. Step 3: Cross multiply
    9,101,104.80x = 13,651,657.20 × 8,187,813.60
  4. Step 4: Simplify right side
    9,101,104.80x = 111,777,224,484,697.91
  5. Step 5: Solve for x
    x = 111,777,224,484,697.91/9,101,104.80
  6. Step 6: Final answer
    x = 12,281,720.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.